Painting an old radiator ( & or pipes ) bright color makes it a piece of art. After painting the whole exposed ceiling in the basement one solid light color . Painting some of the pipes funky colors is going to be GREAT!
I really like the idea of placing a cube on its corner. I originally had a similar idea to this with the inspiration coming from dice. Rather than making a simple cube, I could experiment and try to make a more interesting shape but with a similar idea.